I think in TNT's video of one, he mentions a slam switch on the coin door that if not having good contact will cause crazy issues. Can the ni wumpf board disable stuff like that with a setting or will you just physically disable?

I didn't realize I didn't post in here. I got my Joker Poker about a year ago, it is a basket case and I was told the small transformer smokes. So i'll be going pascal all-in-one board and boston's led displays w/ a arcade power unit to run a few voltages to make up for the small transformer being down. Pretty excited to get that game cleaned up! I'll bring it home to work on, after Pinball Pool and Galaxy

I hope this works! I have a couple sys1 games to replace drops on.

My joker poker is at work but my pinball pool is at home. I was looking at pinball pool last night and I wasn’t sure the drop target would slide out of the bottom. It looked like the target face is too wide to fit through the top plate of the mech.

Dang I should of took a pic. I’ll be back at my office next week and can look at joker poker, and see if it’s different.

Ah, that’s what I figured. What is the best way to get the metal arm out from the middle of the drop target? Maybe when the bottom is unhooked it can be wiggled free?

Awesome! I'll be trying this when I get to work on my joker poker and pinball pool new targets for both, thanks!

I had a set of husky picks that I used to help with springs.

I did all new sets of springs for pinball pool and I will for joker poker. Because I did springs, I found it easier to remove the bottom and back (back plate with switches attached) plates. Then I almost found using a pic to hard, I used mostly two fingers to pinch/pull the springs onto the tabs. With the help from everyone it made it easier on what to expect! Thank you.

Hard part now is flipper rebuild. Need to grind the chain tool to allow the flipper linkage to fit, and press the roll pin in/out.
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Just came back to the JP club. What are people using for rubbers? I'd like to go super bands..... has anyone done unique colors?

https://pinwiki.com/wiki/index.php?title=Gottlieb_System_1#Setting_up_a_Game_for_Free_Play

Added the 3 fuses to the small transformer!

Also pulled the chime unit to put in new sleeves and clean up the plungers. While I was at it, I added a molex plug to the knocker so the chime unit can come out easier/faster.

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Titan bands came today. I did all purple except flippers in red...curious how it will look, but the plastic coloring was all purple......

Order from PBR should be here this week and thats all the drop targets, plastics, posts etc.

On a Joker Poker SS, when the power button is pressed, is the K bank of drops supposed to reset aka coil pulse?

When I power my game on I hear a coil fire, I found it was the K drop target reset bank coil. And the schematics say it uses that extra under pf transistor, but on pinballrepair's YT video there is no coil fire when he powers his up. Curious what normal behavior should be

I have the game fully working now and it does it, plus on the YT I think I heard it later in the video. Wonder if the old camera just didn't pick up the audio well enough. Seems like youre right, since it is a lamp driver.

ALso! Just fyi for my weird issue where only player 1 would work, adding any more players would keep redoing p1. The diode on the knocker coil was bad. I had added a molex to it so I could rebuild the chimes quick, and when it was unplugged I realized all 1-4 players worked. Tested the diode and it failed closed. replaced with N4004 and now it works!